( | ( | 8164443 100 | + | a | + | 10000 | ) | − | 45000 | ) | × | 10 100 | − | 2520 | = | 108889 100 | + | a |
方程左边 = | ( | 8164443 100 | + | a | + | 10000 | ) | × | 10 100 | − | 45000 | × | 10 100 | − | 2520 |
= | ( | 8164443 100 | + | a | + | 10000 | ) | × | 10 100 | − | 4500 | − | 2520 |
= | ( | 8164443 100 | + | a | + | 10000 | ) | × | 10 100 | − | 7020 |
= | 8164443 100 | × | 10 100 | + | a | × | 10 100 | + | 10000 | × | 10 100 | − | 7020 |
= | 8164443 1000 | + | a | × | 10 100 | + | 1000 | − | 7020 |
= | 2144443 1000 | + | 10 100 | a |
2144443 1000 | + | 10 100 | a | = | 108889 100 | + | a |
10 100 | a | − | a | = | 108889 100 | − | 2144443 1000 |
- | 9 10 | a | = | 108889 100 | − | 2144443 1000 |
- | 9 10 | a | = | - | 1055553 1000 |
1055553 1000 | = | 9 10 | a |
9 10 | a | = | 1055553 1000 |
a | = | 1055553 1000 | ÷ | 9 10 |
= | 1055553 1000 | × | 10 9 |
= | 351851 100 | × | 1 3 |
a | = | 351851 300 |
a | = | 1172.836667 |